CVE-2023-3079
Google Chromium V8 Type Confusion Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 June 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Type confusion in V8 in Google Chrome prior to 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 37.86% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 7 June 2023 · due 28 June 2023
- Weakness
- CWE-843
- Affected
- google/chrome · fedoraproject/fedora · debian/debian linux · couchbase/couchbase server
- Source
- chrome-cve-admin@google.com
EPSS moved from 37.9% on 9 October 2026 to 37.9% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
CISA notes
Apply updates per vendor instructions. https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html; https://nvd.nist.gov/vuln/detail/CVE-2023-3079
References
- http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.htmlThird Party Advisory, VDB Entry
- https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.htmlVendor Advisory
- https://crbug.com/1450481Exploit, Issue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DYTXO5E3FI3I2ETDP3HF4SHYYTFMKMIC/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4OXTNIZY4JYHJT7CVLPAJQILI6BISVM/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202311-11Third Party Advisory
- https://security.gentoo.org/glsa/202401-34Third Party Advisory
- https://www.couchbase.com/alerts/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5420Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.htmlThird Party Advisory, VDB Entry
- https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.htmlVendor Advisory
- https://crbug.com/1450481Exploit, Issue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DYTXO5E3FI3I2ETDP3HF4SHYYTFMKMIC/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4OXTNIZY4JYHJT7CVLPAJQILI6BISVM/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202311-11Third Party Advisory
- https://security.gentoo.org/glsa/202401-34Third Party Advisory
- https://www.couchbase.com/alerts/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5420Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-3079US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.